79923122496 has 280 divisors, whose sum is σ = 276529287936. Its totient is φ = 22348846080.

The previous prime is 79923122473. The next prime is 79923122497. The reversal of 79923122496 is 69422132997.

79923122496 is a `hidden beast` number, since 7 + 9 + 9 + 23 + 122 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79923122497) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1682106 + ... + 1728966.

Almost surely, 2^79923122496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79923122496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138264643968).

79923122496 is an abundant number, since it is smaller than the sum of its proper divisors (196606165440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79923122496 is a wasteful number, since it uses less digits than its factorization.

79923122496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46939 (or 46920 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The spelling of 79923122496 in words is "seventy-nine billion, nine hundred twenty-three million, one hundred twenty-two thousand, four hundred ninety-six".